 | Daniel Radcliffe als Harry Potter |
 | Rupert Grint als Ron Weasley |
 | Emma Watson als Hermione Granger |
 | Ralph Fiennes als Lord Voldemort |
 | Alan Rickman als Severus Snape |
 | Michael Gambon als Albus Dumbledore |
 | Robbie Coltrane als Rubeus Hagrid |
 | Brendan Gleeson als Alastor "Mad-Eye" Moody |
 | Gary Oldman als Sirius Black |
 | Robert Pattinson als Cedric Diggory |
 | Clémence Poésy als Fleur Delacour |
 | Stanislav Yanevski als Viktor Krum |
 | Miranda Richardson als Rita Skeeter |
 | Josh Herdman als Gregory Goyle |
 | Maggie Smith als Minerva McGonagall |
 | Geraldine Somerville als Lily Potter |
 | Matthew Lewis als Neville Longbottom |
 | Frances de la Tour als Madame Olympe Maxime |
 | Tom Felton als Draco Malfoy |
 | Roger Lloyd Pack als Barty Crouch, Sr. |
 | Jason Isaacs als Lucius Malfoy |
 | Eric Sykes als Frank Bryce |
 | Timothy Spall als Wormtail |
 | David Tennant als Bartemius 'Barty' Crouch Junior |
 | Mark Williams als Arthur Weasley |
 | James Phelps als Fred Weasley |
 | Oliver Phelps als George Weasley |
 | Bonnie Wright als Ginny Weasley |
 | Jeff Rawle als Amos Diggory |
 | Robert Hardy als Cornelius Fudge |
 | Sheila Allen als Ministry Witch |
| Su Elliott als Ministry Witch |
| Anne Lacy als Ministry Witch |
| Flip Webster als Ministry Witch |
 | David Sterne als Ministry Wizard |
| Christopher Whittingham als Ministry Wizard |
| Liam McKenna als Ministry Wizard |
| Campbell Graham als Ministry Wizard |
| Margery Mason als Food Trolley Lady |
 | Katie Leung als Cho Chang |
| William Melling als Nigel |
 | David Bradley als Argus Filch |
 | Devon Murray als Seamus Finnigan |
 | Afshan Azad als Padma Patil |
 | Warwick Davis als Filius Flitwick |
 | Shefali Chowdhury als Parvati Patil |
| Angelica Mandy als Gabrielle Delacour |
 | Predrag Bjelac als Igor Karkaroff |
| Tolga Safer als Karkaroff's Aide |
 | Alfred Enoch als Dean Thomas |
| Louis Doyle als Ernie MacMillan |
 | Jamie Waylett als Vincent Crabbe |
 | Charlotte Skeoch als Hannah Abbott |
| Robert Wilfort als Photographer |
| Tiana Benjamin als Angelina Johnson |
 | Henry Lloyd-Hughes als Roger Davies |
| Jarvis Cocker als Band Lead Singer |
 | Jonny Greenwood als Band Lead Guitar |
 | Philip Selway als Band Drums |
| Steve Mackey als Band Bass Guitar |
| Jason Buckle als Band Rhythm Guitar |
| Steve Claydon als Band Keyboards |
 | Shirley Henderson als Moaning Myrtle |
| Alan Watt als Assistant Judge |
 | Adrian Rawlins als James Potter |
 | Paschal Friel als Death Eater |
| Hazel Keech als Hogwarts Student (Uncredited) |
| Oliver Miceli als Durmstrang Student |
| Roger Pratt | Director of Photography |
| Mick Audsley | Editor |
| Mary Selway | Casting |
| Stephanie McMillan | Set Decoration |
| Stuart Craig | Production Design |
| Patrick Doyle | Original Music Composer |
| David Crozier | Production Sound Mixer |
| J.K. Rowling | Novel |
| Steve Kloves | Screenplay |
| David Heyman | Producer |
| Andrew Ackland-Snow | Art Direction |
| Greg Powell | Stunt Coordinator |
| Mark Bartholomew | Art Direction |
| Nick Dudman | Makeup Effects |
| Dennis Leonard | Supervising Sound Editor |
| Alan Gilmore | Art Direction |
| Gary Tomkins | Art Direction |
| Alexandra Walker | Art Direction |
| Jany Temime | Costume Design |
| Mike Newell | Director |
| Fiona Weir | Casting |
| Alastair Bullock | Art Direction |
| Eithné Fennel | Makeup Artist |
| Amanda Knight | Makeup Designer |
| Adam Aldridge | Special Effects Technician |
| Tim Alexander | Visual Effects Supervisor |
| Lucy Allen | Stunts |
| David Barron | Executive Producer |
| Tim Lewis | Unit Production Manager |
| Nigel Heath | Foley Mixer |
| Daniel Laurie | ADR Editor |
| Peter MacDonald | Co-Producer |
| Peter MacDonald | Second Unit Director |
| Nicolas Becker | Foley Artist |
| John Rogers | Gaffer |
| Chris Boardman | Music Arranger |
| Julia Dehoff | Draughtsman |
| Randy Thom | Sound Designer |
| Brendan Donnison | ADR Voice Casting |
| Tanya Seghatchian | Executive Producer |
| Tom Brewster | Third Assistant Director |
| Wayne D. Barlowe | Concept Artist |
| David Decio | Stand In |
| Betty Glasow | Hairstylist |
| Andy Kennedy | Sound Effects Editor |
| Susan Luciani | Clapper Loader |
| Robert Palmer | First Assistant Camera |
| Jessie Thiele | Post Production Supervisor |
| David Crossman | Costume Supervisor |
| Neil Lamont | Supervising Art Director |
| Graham Sutton | Supervising Music Editor |
| Bjorn Ole Schroeder | Dialogue Editor |
| Andrew Bennett | Art Department Assistant |
| Jamie Wilkinson | Assistant Property Master |
| Emmanuel Shiu | Conceptual Design |
| Georgina Gunner | Wardrobe Supervisor |
| David Rosenbaum | Transportation Coordinator |
| James Seddon | Dolby Consultant |
| Gerard McCann | Music Editor |
| Dave Brown | Pilot |
| Libbie Barr | Script Supervisor |
| Jodie Jackman | Art Department Coordinator |
| Amanda Pettett | Construction Coordinator |
| Sandra Frieze | Dialogue Coach |
| Wayne McGregor | Choreographer |
| Murray Close | Still Photographer |
| Doug Cooper | Sound Mix Technician |
| Billy Merrell | Best Boy Electric |
| Nicky Kaill | Scenic Artist |
| Alex Rouse | Wigmaker |
| Teresa Hinton | Hairdresser |
| Bryn Court | Sculptor |
| Tim Burke | Visual Effects Supervisor |
| Adam Dale | Aerial Camera |
| Daniel Barrow | Visual Effects Production Manager |
| Pablo Grillo | Animation Supervisor |
| Barry Wilkinson | Property Master |
| Nicolas Anastassiou | Visual Effects Editor |
| Mark Coulier | Prosthetic Makeup Artist |
| Alf Tramontin | Steadicam Operator |
| Sue Quinn | Location Manager |
| Charlotte Rogers | Hair Assistant |
| Andrew Hunt | Costume Assistant |
| Adrian De Wet | Compositing Supervisor |
| Youki Yamamoto | Keyboard Programmer |
| Ryan Davis | Additional Sound Re-Recording Mixer |
| Heath Kraynak | Visual Effects Production Assistant |
| Chris Carreras | Associate Producer |
| Chris Carreras | First Assistant Director |
| John Richardson | Special Effects Supervisor |
| John Trehy | Associate Producer |
| Matt Biffa | Music Supervisor |
| Laurent Guinci | Wardrobe Master |
| Paul Couch | Standby Painter |
| Nigel Bunyan | Assistant Editor |
| Dave Ridout | Rigging Gaffer |
| Marc Wolff | Aerial Coordinator |
| Lawrence Ashmore | Orchestrator |
| David Lomax | CG Supervisor |
| Marc Atherfold | Second Assistant Camera |
| John Ensby | Color Timer |
| David Carrigan | Production Manager |
| Tim Blackham | Sound Mixer |
| Rosie Richardson | Special Effects Coordinator |
| Brian Estabrook | Transportation Captain |
| David Appleby | Key Grip |
| Hannah Mais | Assistant Makeup Artist |
| Chloe Aubry | Assistant Costume Designer |
| Aurelia Thomas | Assistant Location Manager |
| John Casali | Boom Operator |
| Simon Aronson | Propmaker |
| Maria Chamberlain | Colorist |
| James Shearman | Conductor |
| Bernie Prentice | Underwater Gaffer |
| Adrian Getley | Modelling Supervisor |
| Nick Shuttleworth | Additional Second Assistant Director |
| Jan Meade | Projection |
| Simon Hume | First Assistant Camera |
| Gemma Nicholson | Assistant Sound Editor |
| Maggie Walsh | Costume Coordinator |
| Belinda Hodson | Makeup Artist |
| Niklas Aldergren | Systems Administrators & Support |
| Jim Crowther | Grip |
| Vicky Bishop | Assistant Production Coordinator |
| Christopher Abeyta | Production Accountant |
| Andy Edridge | Additional Grip |
| Winnie Wishart | Production Coordinator |
| Rosie Hardwick | Assistant Art Director |
| Lawrence Bewsher | Underwater Camera |
| Al Spicer | Set Dressing Artist |
| Duncan McNeil | Carpenter |
| Paul Deluce | Driver |
| Reshad Esmail | Security |
| Rob Allman | Sequence Supervisor |
| Sophie Finch | Set Production Assistant |
| Don Brown | Sound Recordist |
| Eddie Coleman | Transportation Co-Captain |
| Niki Dally | Unit Publicist |
| Dan Hartley | Video Assist Operator |
| Billy Dunn | Electrician |
| Christoph Ammann | Lighting Artist |
| Natalie MacDonald | Digital Compositors |
| Lizi Bedford | Visual Effects Coordinator |
| Paul Alexiou | Visual Effects Producer |
| Stephen Finch | Lighting Coordinator |
| Ann Koska | Thanks |
| Adam Brockbank | Creature Design |
| James Bennett | ADR Recordist |
| Colin Cooper | ADR Mixer |
| Paul King | Floor Runner |
| Jemma Scott-Knox-Gore | Contact Lens Technician |
| Tracey Curtis | Senior Modeller |
| Lucy Evans | Assistant Music Supervisor |
| Chris Clarke | Additional Second Assistant Camera |
| Joe Ceballos | Matte Painter |
| Seung-Hun Lee | Creature Technical Director |
| John Slattery | Compositor |
| Michael Elson | Head of Production |
| Janette Boyle | Additional Third Assistant Director |
| Andrew Baggarley | Data Wrangler |
| Esther St John Gray | Wardrobe Assistant |
| Katie Reynolds | Post Production Coordinator |
| Robin Demetriou | Catering |
| Jane Clark | Storyboard Artist |
| Mauricio Carneiro | Costume Illustrator |
| Sue Bradbear | Costumer |
| Gary Hayes | Construction Buyer |
| Paul Burgess | Dressing Prop |
| Jerome McCann | Sound Assistant |
| Louis Dunlevy | VFX Artist |
| Grant Freckelton | Visual Effects Designer |
| Farhez Rayani | Visual Effects Technical Director |
| Bruce Cain | Stunt Double |
| Ben Pendrey | Camera Trainee |
| Catrin Cooper | Casting Assistant |
| Karen Betteridge | Location Assistant |
| Jayne Barton | Assistant Accountant |
| Emily Dawson | Chaperone |
| Graham Driscoll | Lighting Programmer |
| Mark Tudor-Williams | Matchmove Supervisor |
| Ben Blanco | Production Assistant |
| Adam Byles | Production Runner |
| David Aulds | Rotoscoping Artist |
| Joe Arnold | 3D Artist |
